Respiratory Pathogen Detection by Nucleic Acid Amplification (NAAT) from Nasopharyngeal Swab

During this test, a healthcare provider uses a soft swab to gently collect a small sample from the affected area, such as your nose, throat, or another site where an infection may be present. The sample is then sent to a laboratory, where trained technicians analyze it to identify the germs that may be causing your symptoms. The results help your doctor choose the most appropriate treatment plan for you.

A sterile swab is gently inserted into your nose to collect fluid from the back of your nasal passages. The sample is then sent to a lab where genetic material from potential pathogens is analyzed using a specialized test that amplifies and identifies specific sequences.

In most cases, you do not need special preparation before this test, and you can usually eat and drink normally unless your provider gives you different instructions. Let the staff know about any medications you take, allergies you have, or symptoms you have noticed, because this information helps interpret your results. Arriving a few minutes early can make the collection process more relaxed and comfortable.

You may experience mild discomfort or slight irritation when the swab is inserted. Avoid eating, drinking, or smoking for 15–30 minutes before the test to ensure accuracy.

This test can detect a range of common bacterial and viral infections, including those affecting the respiratory tract, throat, and other swabbed areas of the body. Identifying the specific organism responsible helps your healthcare team distinguish between infections that require antibiotics and those that typically resolve on their own, supporting safer and more targeted care.

This test may detect viruses like respiratory syncytial virus (RSV), influenza, adenovirus, and coronaviruses (including SARS-CoV-2), as well as bacteria such as Streptococcus pneumoniae or Mycoplasma pneumoniae, depending on the laboratory’s panel.

Your provider may order this test if you have symptoms such as fever, cough, sore throat, congestion, or unusual drainage that suggests an infection. It is also used when symptoms continue or worsen despite initial treatment, when an illness could be contagious to others, or when results are needed to guide decisions about isolation, antibiotics, or follow-up care.

Your healthcare provider may recommend this test if you have symptoms like cough, fever, sore throat, or difficulty breathing, especially if you’re at higher risk for severe illness or if you’ve been exposed to known pathogens.